What city was the spring rain and autumn in Qin Dynasty?

When you meet Chun Yu Qiu in a residential building in Handan, she will ask you a few questions. The answer to the first question is Xiaoya Cai Wei. The answer to the second question is "Yin and Yang, Confucianism, Mohism, fame, law, Taoism, agriculture, vertical and horizontal, miscellaneous, novels, soldiers, poems, songs and medicines". The answer to the third question is that Qi people are pure and faithful. After answering all the questions correctly, she will take you to the secret room and commit suicide by taking poison. You should give her medicine to delay the toxicity, then find a wandering doctor in the city, buy Ganoderma lucidum, Zhu Guo and Saussurea involucrata from him, and make an antidote to save Chunyuqiu, and she will join the team.